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Coverage Analysis for Millimeter Wave Cellular Networks with Beam Alignment Errors

Cheng, M; Wang, J-B; Wu, Y; Xia, X-G; Wong, K-K; Lin, M; Chen, M; (2018) Coverage Analysis for Millimeter Wave Cellular Networks with Beam Alignment Errors. In: The Proceedings of the 2017 IEEE Globecom Workshops (GC Wkshps). IEEE: Red Hook (NY), USA. Green open access

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Abstract

Millimeter wave (mmWave) communication is a promising approach to satisfy the demanding high data rate requirement of next generation mobile communications. This paper studies the downlink coverage performance of mmWave cellular networks with beam alignment errors. An enhanced antenna model is adopted to model the directional antenna beamforming pattern, in which the mainlobe beamwidth and directivity gains can be expressed as functions of the number of elements in the antenna array. After deriving the probability density function (PDF) of distance between mobile station (MS) and its serving base station (BS), the directivity gain with beam alignment errors is obtained as a discrete random variable. Then, a computationally tractable expression is derived for the coverage probability of mmWave cellular networks. Numerical results indicate that small beam alignment errors will not deteriorate the coverage probability significantly. Moreover, when the beam alignment error is small enough, the coverage performance can be improved by increasing the number of elements in the antenna array.

Type: Proceedings paper
Title: Coverage Analysis for Millimeter Wave Cellular Networks with Beam Alignment Errors
Event: 2017 IEEE Globecom Workshops (GC Wkshps)
Location: Singapore, Singapore
Dates: 04 December 2017 - 08 December 2017
ISBN-13: 978-1-5386-3920-7
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/GLOCOMW.2017.8269185
Publisher version: https://doi.org/10.1109/GLOCOMW.2017.8269185
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Antenna arrays, Cellular networks, Array signal processing, Interference, Transmitting antennas, Propagation losses
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/10055178
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